Finding the Fourth Proportional to 3,526,571.12, 5,290,354.84 and 1,129,855.10
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Solution
The fourth proportional to 3,526,571.12, 5,290,354.84 and 1,129,855.10 is: 1,694,942.25
Step by Step Solution
- Step 1: Write the proportion equation
3,526,571.12 : 5,290,354.84 = 1,129,855.10 : x - Step 2: Convert to fraction form
3,526,571.12/5,290,354.84 = 1,129,855.10/x - Step 3: Cross multiply
3,526,571.12x = 5,290,354.84 × 1,129,855.10 - Step 4: Simplify right side
3,526,571.12x = 5,977,334,396,783.69 - Step 5: Solve for x
x = 5,977,334,396,783.69/3,526,571.12 - Step 6: Final answer
x = 1,694,942.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.